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#1
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The right Stuff VS Pirate Jack Disc conversion
I have a 67 GTO with 4 wheel power drum brakes. Looking at converting to front disc. I am looking at kits from The Right Stuff and Pirate Jack. Has anyone had experience good or bad with either of these kits?
Thanks David
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New Motor: 6-13-12 P-Dude 67 GTO 406, 670 heads, RPM, 750 Holley P-Dude Cam, M-22 4-speed, Centerforce clutch, 12-Bolt 4.56 275/60R15 M/T Drag Radials Old Motor: New PB 4-21-11 : 12.460 @ 109.97 1.844 60' ' |
#2
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Which exact kits? what wheels are you running?
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#3
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The Right stuff from either OPGI or RPUI # AFXDC01C $ 801.95 and Pirate Jacks # DBK6472-GM-209 $ 661.25 Big price difference, not sure why.
Both have standard spindles. There are some kits I see that use my original drum spindle. That would be easier. What is your opinion. I am using 15' Rally II rims.
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New Motor: 6-13-12 P-Dude 67 GTO 406, 670 heads, RPM, 750 Holley P-Dude Cam, M-22 4-speed, Centerforce clutch, 12-Bolt 4.56 275/60R15 M/T Drag Radials Old Motor: New PB 4-21-11 : 12.460 @ 109.97 1.844 60' ' |
#4
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Single 9" booster will be problematic with low vacuum engines (< 12" Hg).
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#5
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I have used Right Stuff products, so I will offer this advise. If you use that brand, buy directly from them. Once you start discovering problems with the parts, you won’t have to deal with a vendor for help. You can go straight to the source.
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#6
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I have Pirate Jacks kit 6472
They were the only ones that had this in stock The last car I restored I used a kit from inline tube. I am pretty sure it’s the exact same kit Good think you are using 15” wheels I don’t see any kits out there fitting 14” wheels. Years ago I bought a from either CCP or SSBC I can’t remember what company but I don’t see that kit on either site anymore. It was a nice kit cause I fit 14” Wheels Below is the Pirate Jack kit I installed last month |
#7
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My company made a kit for years that fit 14" drum wheels no issue, and with no offset issues.
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#8
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Do you still make that kit or have a website
Good to know for the future |
#9
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The company is now in North Carolina and has the same website, scarebird.com
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#10
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As @400 4spd. alluded to, I would not consider my dealings with Right Stuff to be optimal.
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1970 GTO (Granada Gold) - 400 / TH400 |
#11
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The best option is to buy from Ames and support this forum.
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#12
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I usually buy from Ames almost always.
I’m afraid to add up all my receipts from Ames on my last restoration😬 Always have good service with Ames but unfortunately at the time the brake conversion kit I needed was back ordered with no date. |
#13
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I've used two Right Stuff kits, one on a '65 LeMans and one on a '70 LeMans and didn't have any issues with either. I used the kits without a master or booster and used a Wilwood master for manual front disc.
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1967 Firechicken, 499", Edl heads, 262/266@0.050" duration and 0.627"/0.643 lift SR cam, 3.90 gear, 28" tire, 3550#. 10.01@134.3 mph with a 1.45 60'. Still WAY under the rollbar rule. |
#14
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Wise decision...main complaints were with the booster/MC. Ended up going hydroboost.
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1970 GTO (Granada Gold) - 400 / TH400 |
#15
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I used a 1974-80 GMC 1/2 ton manual master - works superb and far cheaper than what Wilwood sells.
Note you will need to mod the pushrod. |
#16
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Can you elaborate on the pushrod modifications needed?
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66 GTO, 495, M22, Strange S-60 w/4.10 Sold new at Royal Pontiac. 70 Formula |
#17
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Cut off end and thread for clevis yoke. Some pedals are side mount so you may need a coupler nut to make it work.
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#18
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Is this because the stock 66/67 pushrod/clevis is too long? Shorten and rethread?
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66 GTO, 495, M22, Strange S-60 w/4.10 Sold new at Royal Pontiac. 70 Formula |
#19
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Maybe - they are never the length you need.
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#20
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If a 9' booster will not work, what other options do I have. I do not want to go to hydroboost. My factory 11' works fine, just looking for more valve cover clearance.
Has anyone used the stock drum spindles when converting to disc. I have seen several kits. Can I just bolt on rotors with new backing plates & caliper mounts?
__________________
New Motor: 6-13-12 P-Dude 67 GTO 406, 670 heads, RPM, 750 Holley P-Dude Cam, M-22 4-speed, Centerforce clutch, 12-Bolt 4.56 275/60R15 M/T Drag Radials Old Motor: New PB 4-21-11 : 12.460 @ 109.97 1.844 60' ' |
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